Question

What is the
of the
magnitude
the electrostatic
force b/w a singly charged sodium ion (Nat, of
charge te) and an adjacent singly charged
chlorine ion (ch, of charge e) in a salt
crystal it their separation is 2.828 10-20
m?
By coloumb’s law

Answer 1

Answer:

The magnitude of the force is

F=k

r

2

e

2

=(8.99×10

9

C

2

N.m

2

)

(2.82×10

−10

m)

2

(1.60×10

−19

C)

2

=2.89×10

−9

N